<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Register</title>
</head>
<body>
  <h2>欢迎注册</h2>
  <form action="/register" method="post">
    <input type="text" name="username" placeholder="用户名"><br><br>
    <input type="text" name="phone" placeholder="手机号"><br><br>
    <input type="password" name="pwd" placeholder="密码"><br><br>
    <input type="password" name="pwd2" placeholder="确认密码"><br><br>
    <button>注册</button>
  </form>
</body>
</html>